<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>

<body>
<script type="text/javascript">
var dd =
{
	aa:function(){}
}
var b ='';
var a =  "aa"
if ( (a = b) != null ) alert( a = b );

//document.write(k+"|"+dd[k]);
for(var k in dd)
{
	//document.write((typeof dd[k])+"|"+k+"|"+dd[k]+"<br />");
}
</script>
</body>
</html>
